I see slim chains, layers of slim chains accenting from side to center of the vest and perhaps running down the arms like military stripes. Turn you head sideways and imagine the arm hanging down with golden curves like this

) ) ) ) or ) ) ) ) from shoulder to elbow. Similarly, a few chains from hip to point of vest above the legs. chains of varying length to so that, while they originate and terminate at the same locations, they appear to follow the pattern on the arms.

How about we go with one of the classics, some goggles? Also unless you were going for a black and white theme, I think it would look awesome with a different colored over skirt. You have a great start though!